41 lines
1.1 KiB
TypeScript
41 lines
1.1 KiB
TypeScript
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/*
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* Copyright (C) Contributors to the Suwayomi project
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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const CACHE_NAME = 'image-cache';
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export class ImageCache {
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static async has(url: string): Promise<boolean> {
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try {
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const cache = await caches.open(CACHE_NAME);
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const response = await cache.match(url, { ignoreVary: true });
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return response !== undefined;
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} catch (error) {
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return false;
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}
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}
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static async get(url: string): Promise<Response | null> {
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try {
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const cache = await caches.open(CACHE_NAME);
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const response = await cache.match(url);
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return response || null;
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} catch (error) {
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return null;
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}
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}
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static async clear(): Promise<void> {
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const cache = await caches.open(CACHE_NAME);
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const keys = await cache.keys();
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await Promise.all(keys.map((key) => cache.delete(key)));
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}
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}
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